Home / 6,869.87-10,304.81-2,486.30

Finding the Fourth Proportional to 6,869.87, 10,304.81 and 2,486.30

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Solution

The fourth proportional to 6,869.87, 10,304.81 and 2,486.30 is: 3,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.87 : 10,304.81 = 2,486.30 : x
  2. Step 2: Convert to fraction form
    6,869.87/10,304.81 = 2,486.30/x
  3. Step 3: Cross multiply
    6,869.87x = 10,304.81 × 2,486.30
  4. Step 4: Simplify right side
    6,869.87x = 25,620,849.10
  5. Step 5: Solve for x
    x = 25,620,849.10/6,869.87
  6. Step 6: Final answer
    x = 3,729.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.